Brother FS-40 User Manual

2 - 17
Bobbin winder mechanism
Basics of Assembly
Basics
1 Attachment of Bobbin winder assy
1. Set the shaft of the bobbin winder assy. 1 to the positioning part of the
rear cover assy. with the 2 screws 1.
2. Insert the BW switch lever 2 into the positioning hole of the bobbin
winder shaft stopper 3.
3. Place the bobbin winder shaft spring 4 and the bobbin winder shaft
stopper 3, and secure it with the screw 2.
*Key point
• Check that the bobbin winder assy. 1 pass over the bobbin
winder shaft spring 4 when the bobbin winder is switched.
• Check that the bobbin winder spring 4 return to the original
position when the bobbin winder is switched.
→ Refer to 3 - 64 "Bobbin winder mechanism".
1
2
Torque
1.18 – 1.57 N·m
1
3
1
2 4
2
Giza Tite
M5X16

Brother FS-40 Specifications

General

Stitch Number	40
Buttonhole Styles	5
Display	LCD
Lighting	LED
Type	Electronic
Needle Threading	Automatic
Adjustable Stitch Length	Yes
Adjustable Stitch Width	Yes
Maximum Stitch Width	5 mm
Maximum Stitch Length	4 mm
Reverse Sewing	Yes
Free Arm	Yes
Start/Stop Button	Yes
Speed Control	Yes
Bobbin	Top-loading
Sewing Speed	750 stitches per minute